Top latest Five types of screw heads Urban news
A slotted or flat push screw head requires a flat blade or slotted screwdriver or little bit to tighten or loosen. They're designed having a slotted flat line with the head to permit a flat blade to tighten/loosen this type of head. A pentalobe screw-head is really a tamper-resistant security screw. It's really a 5-position screw head that is usua